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Need some help identifying copper line from hot water heater

Posted on 10/14/23 at 4:03 pm
Posted by Civildawg
Member since May 2012
8625 posts
Posted on 10/14/23 at 4:03 pm
I have a copper line that is leaking at my hot water heater but I have no idea where it goes. I've checked the refrigerator and outdoor hose bib but that's not it. What would use a copper supply line in a house? Picture below
Posted by Ryanjag07
Louisiana
Member since Apr 2018
7 posts
Posted on 10/14/23 at 4:51 pm to
The tee off the valve is for expansion relief. Should just go to where it's safe to send water.
Posted by Unobtanium
Baton Rouge
Member since Nov 2009
1605 posts
Posted on 10/14/23 at 6:56 pm to
Ryanjag is correct. Apollo EXP valve has a tap for expansion pressure relief.
Posted by Civildawg
Member since May 2012
8625 posts
Posted on 10/14/23 at 10:00 pm to
Thanks for the help
Posted by keakar
Member since Jan 2017
30152 posts
Posted on 10/16/23 at 4:19 pm to
quote:

I've checked the refrigerator and outdoor hose bib but that's not it.


dishwasher is the only thing i can think of that is left
Posted by jmkidder
lafayette
Member since Sep 2005
476 posts
Posted on 10/16/23 at 7:17 pm to
Why does it matter where it goes? Shut off the valve, empty the tank and repair the leak.
Posted by TigersBucs
Lake Charles
Member since Oct 2009
1625 posts
Posted on 10/18/23 at 2:59 pm to
Why are you heating hot water?
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